All these changes are due to the change of carbide morphology and precipitation of granular carbides.
这些变化是由于碳化物形状的改变和粒状碳化物的析出所致。
Effects of re modification and heat treatment on carbide morphology and mechanical properties of cast semi steel were studied.
利用冲击疲劳试验，研究了稀土变质及热处理对低铬半钢抗冲击疲劳性能的影响。
The results show that the modification of white cast iron by RE can change the carbide morphology and distribution and increase the toughness.
用稀土变质处理中锰白口铁可改变碳化物形貌及分布且提高其韧性。
The results show that alloying elements and rare earth can refine grain, change carbide morphology and distribution, and increase mechanical properties and wear-resistant properties.
结果表明，合金元素能够细化晶粒，改善碳化物的形貌和分布，提高力学性能和耐磨性。
The results show that rare earth modification and heat treatment all can improve eutectic carbide morphology and increase the impact toughness, and both comprehensive result is more noticeable.
结果表明：稀土变质及热处理均能改善碳化物的形貌，提高其冲击韧度，且两者的综合作用效果更明显。
It is found that adding vanadium can refine the high-chromium cast iron matrix, change the carbide morphology and distribution, improve the hardness and wear resistance of high chromium cast iron.
结果表明，钒的加入可显著细化高铬铸铁的基体组织，改变了碳化物的形态及分布，提高了高铬铸铁硬度及耐磨性能。
And fractal theory is applied for the quantitative analysis of the carbide morphology and dimension, and gets the relation between the carbide morphology and dimension and high Cr iron performance.
同时应用变形理论解释了碳化物的形态、大小、数量的变化对高铬铸铁力学性能的影响。
Understanding in-depth morphology of carbide and doing good transformation and change are very useful to improve the tool life.
深入了解碳化物的形态，做好转化和转变，对提高刀具寿命非常有益。
The experimental results show that RE-Si compound modification improves the morphology and the distribution of carbide and the impact toughness of vanadium white cast iron was increased remarkably.
结果表明，稀土—硅复合变质处理显著改善了碳化物的分布形态，并使铸铁的冲击韧性大幅度提高。
In this paper, the distribution and existent morphology of rare earths in cemented carbide have been studied.
研究了稀土元素在硬质合金中的分布和存在形态。
This paper deals with the effect of rare earth on the morphology and size of carbide and graphite in a waste heat hardened low alloyed cast iron.
研究了稀土对余热淬火低合金耐磨蠕铁中石墨形态及碳化物尺寸的影响。
Low carbon content and rare earth modification to improve the morphology and distribution of carbide are both advantageous.
低碳含量，稀土变质处理改变碳化物为断开分布的板块状都可起有利影响。
The type of carbide in decomposition products is related to the distribution and morphology of retained austenite.
碳化物的类型与残余奥氏体的分布、形态有关。
Intergranular corrosion resistance was increased owing to the lessening of carbide particles formed at austenite grain boundaries and morphology changing from reticular to granular.
与不加稀土时相比，焊缝中沿晶界析出碳化物的尺寸减小、数量减少、析出形态由网状析出变为不连续的颗粒状，抗晶间腐蚀能力得到提高。
The influence of heating temperature on morphology of eutectic carbide and impact fatigue property of low alloy wear resistant cast iron were studied by OM, SEM and impact fatigue tester.
采用金相、扫描电镜和力学性能分析方法研究了加热温度对含稀土低合金耐磨铸铁冲击韧性的影响。
The influence of heating temperature on morphology of eutectic carbide and impact fatigue property of low alloy wear resistant cast iron were studied by OM, SEM and impact fatigue tester.
采用金相、扫描电镜和力学性能分析方法研究了加热温度对含稀土低合金耐磨铸铁冲击韧性的影响。
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